CNC题目,又再请教。

27149

A 1/8 inch pilot hole followed by a 3/4 inch dia hole to be drilled in end of a 3.875 inch dia shaft.Calculate the RPM of each drill.
2 D& f1 l, D7 ?) f* j( @- jNote: CS=80
2 c6 p. K' R7 V
& W$ s  l# c* N0 \6 ?. G8 vRPM 1/8=
, i! \* g- {' ~/ |- uRPM 3/4=
0 @% k8 i- ?; ]* f# A' i' a
Thanks a lot.

27149

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